102506840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 240118560

約数和(自身を除く): 137611720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 860, 977, 1220, 1720, 1954, 2440, 2623, 3908, 4885, 5246, 7816, 9770, 10492, 13115, 19540, 20984, 26230, 39080, 42011, 52460, 59597, 84022, 104920, 119194, 168044, 210055, 238388, 297985, 336088, 420110, 476776, 595970, 840220, 1191940, 1680440, 2383880, 2562671, 5125342, 10250684, 12813355, 20501368, 25626710, 51253420, 102506840]

約数ペア:

[(1, 102506840), (2, 51253420), (4, 25626710), (5, 20501368), (8, 12813355), (10, 10250684), (20, 5125342), (40, 2562671), (43, 2383880), (61, 1680440), (86, 1191940), (122, 840220), (172, 595970), (215, 476776), (244, 420110), (305, 336088), (344, 297985), (430, 238388), (488, 210055), (610, 168044), (860, 119194), (977, 104920), (1220, 84022), (1720, 59597), (1954, 52460), (2440, 42011), (2623, 39080), (3908, 26230), (4885, 20984), (5246, 19540), (7816, 13115), (9770, 10492)]